Marshall, W. T. <br/><br/>
Structures SI units 
W. T. Marshall, H. M. Nelson 
 - 2nd ed. 
 - London  Pitman  1969 
 - xv, 445p.  ill.  23cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0273008463  RM20.06 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Structural analysis (Engineering)